he is in the country to thank troops for their service. now you are looking at live pictures from johannesburg, south africa, where visitors all over the world continue to mourn the loss of nelson mandela. president obama will travel to south africa for the memorial along with presidents bush and clinton. they'll be joined by other world figures like the pope and celebrities including bill gates and oprah. the public service will be on tuesday. mandela's body will lie in state for three days. after that his body will be flown to his home village for a private burial. >>> the grammy nominations are out. justin timberlake lead the pack at seven. did mr. suit and tie get snubbed? timberlake's 20/20 experience was the best-selling release but he still didn't get nominated in top categories like album, song, record of the year. another person shut out. how about this one? miley cyrus. she got no nominations. taylor swift, bruno mars and katy perry performed her hit song last night "roar." ♪ i got the eye of the tiger fire ♪ ♪ dancing thro